Loudspeaker diaphragm



FIG. 1 is a front elevation view of a loudspeaker diaphragm showing our new design;

FIG. 2 is a left side elevation thereof, the right side elevation being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a crosses sectional view thereof, taken along line 4-4 of FIG. 3; and,

FIG. 5 is an enlarged cross sectional view of the wavy part of the loudspeaker diaphragm.

The broken lines indicate the unclaimed portions and form no part of the claimed design. 

CLAIM The ornamental design for a loudspeaker diaphragm, as shown and described. 